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Finding the Fourth Proportional to 96,650.30, 144,917.21 and 43,332.64

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Solution

The fourth proportional to 96,650.30, 144,917.21 and 43,332.64 is: 64,972.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,650.30 : 144,917.21 = 43,332.64 : x
  2. Step 2: Convert to fraction form
    96,650.30/144,917.21 = 43,332.64/x
  3. Step 3: Cross multiply
    96,650.30x = 144,917.21 × 43,332.64
  4. Step 4: Simplify right side
    96,650.30x = 6,279,645,036.77
  5. Step 5: Solve for x
    x = 6,279,645,036.77/96,650.30
  6. Step 6: Final answer
    x = 64,972.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.